    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    }

    body {
      overflow: hidden;
      background: #f0f2f5;
    }

    .common-layout {
      height: 100vh;
      width: 100vw;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .box {
      display: flex;
      flex: 1;
      min-height: 0;
    }

    /* 顶部白色样式 */
    .header {
      background: #ffffff !important;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      color: #333;
      border-bottom: 1px solid #e6e9ed;
    }

    .logoBox {
      position: absolute;
      top: 18px;
      left: 20px;
      font-size: 22px;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 1px;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
      transition: all 0.3s ease;
    }

    .collapsed .logoBox {
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      text-align: center;
      font-size: 18px;
    }

    .el-aside {
      width: 200px !important;
      height: 100vh;
      padding-top: 70px;
      transition: all 0.3s ease;
      overflow: hidden;
      background: #001529 !important;
      box-shadow: 2px 0 6px rgba(0, 0, 0, 0.1);
      position: relative;
      border-radius: 0;
    }

    .collapsed .el-aside {
      width: 64px !important;
    }

    .toggle-btn {
      position: absolute;
      top: 20px;
      right: 10px;
      font-size: 20px;
      color: #fff;
      cursor: pointer;
      z-index: 100;
      transition: all 0.3s;
    }

    .collapsed .toggle-btn {
      right: 50%;
      transform: translateX(50%);
    }

    .toggle-btn:hover {
      color: #40a9ff;
    }

    .header {
      padding: 0;
      height: 70px !important;
      display: flex;
      align-items: center;
      position: sticky;
      top: 0;
      z-index: 100;
      flex-shrink: 0;
      border-radius: 0;
    }

    /* 黑蓝配色菜单 */
    .el-menu {
      --el-menu-bg-color: #001529;
      --el-menu-hover-bg-color: rgba(24, 144, 255, 0.15);
      --el-menu-text-color: #a6adb4;
      --el-menu-active-color: #40a9ff;
      --el-menu-hover-text-color: #ffffff;
      border-right: none !important;
      font-size: 14px;
      font-weight: 500;
    }

    .el-menu-item, .el-sub-menu__title {
      height: 48px !important;
      line-height: 48px !important;
      font-size: 14px;
      transition: all 0.2s;
      border-radius: 0 !important;
    }

    .el-menu-item:hover, .el-sub-menu__title:hover {
      background: rgba(24, 144, 255, 0.15) !important;
    }

    .el-menu-item.is-active {
      color: #40a9ff !important;
      background: rgba(24, 144, 255, 0.1) !important;
      border-right: 3px solid #40a9ff;
    }

    .el-aside .el-sub-menu .el-menu {
      background: #000c17 !important;
      border-radius: 0;
    }

    .el-aside .el-sub-menu .el-menu-item {
      background: transparent !important;
      padding-left: 54px !important;
    }

    .el-menu--horizontal {
      justify-content: flex-end;
      background: transparent !important;
      height: 100%;
      border-bottom: none;
    }

    .el-main {
      background-color: #f5f7fa;
      padding: 0;
      display: flex;
      flex-direction: column;
      min-height: 0;
      border-radius: 0;
    }

    .el-main-content {
      padding: 20px;
      flex: 1;
      overflow-y: auto;
      border-radius: 0;
    }

    /* 顶部菜单样式 */
    .header-menu {
      margin-left: auto;
    }

    .header .el-menu-item, .header .el-sub-menu__title {
      height: 70px !important;
      line-height: 70px !important;
      font-size: 14px;
      font-weight: 500;
      color: #333;
    }

    .header .el-menu-item:hover, .header .el-sub-menu:hover .el-sub-menu__title {
      background: transparent !important;
      color: #1890ff;
    }

    .header .el-icon {
      color: #666;
      font-size: 18px !important;
    }

    .header .el-menu-item:hover .el-icon, 
    .header .el-sub-menu:hover .el-icon {
      color: #1890ff;
    }

    /* 内容区域 */
    .content-container {
      background: #fff;
      border-radius: 0;
      padding: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      margin-bottom: 20px;
      border: 1px solid #e8e8e8;
    }

    .content-title {
      font-size: 18px;
      font-weight: 600;
      color: #333;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid #e8e8e8;
      display: flex;
      align-items: center;
    }

    .content-title .el-icon {
      margin-right: 10px;
      color: #1890ff;
    }

    .stat-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 16px;
      margin-bottom: 30px;
    }

    .stat-card {
      background: #fff;
      border-radius: 0;
      padding: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      border-left: 4px solid #1890ff;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .stat-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 4px 12px rgba(24, 144, 255, 0.15);
    }

    .stat-card .title {
      font-size: 14px;
      color: #666;
      margin-bottom: 10px;
      font-weight: 500;
    }

    .stat-card .value {
      font-size: 28px;
      font-weight: 700;
      color: #1890ff;
      margin-bottom: 5px;
    }

    .stat-card .info {
      font-size: 13px;
      color: #999;
      display: flex;
      align-items: center;
    }

    .stat-card .info .trend {
      margin-left: 8px;
      display: flex;
      align-items: center;
    }

    .chart-container {
      background: #fff;
      border-radius: 0;
      padding: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      margin-bottom: 20px;
      border: 1px solid #e8e8e8;
    }

    .chart-title {
      font-size: 16px;
      font-weight: 600;
      color: #333;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
    }

    .chart-title .el-icon {
      color: #1890ff;
      font-size: 18px;
      margin-right: 8px;
    }

    .chart-placeholder {
      height: 300px;
      background: #f9f9f9;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #999;
      font-size: 16px;
    }

    .fr {
      margin-left: 20px;
    }

    /* 折叠状态下的菜单样式 */
    .collapsed .el-sub-menu > .el-sub-menu__title span,
    .collapsed .el-menu-item span {
      display: none;
    }

    .collapsed .el-sub-menu > .el-sub-menu__title .el-sub-menu__icon-arrow {
      display: none;
    }

    .collapsed .el-menu-item .el-icon,
    .collapsed .el-sub-menu .el-icon {
      margin-right: 0;
      font-size: 20px;
    }

    .el-sub-menu [class^="el-icon"] {
      margin-right: 8px;
    }
    
    .dashboard-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
    }
    
    .activity-list {
      list-style: none;
      padding: 0;
    }
    
    .activity-item {
      padding: 12px 0;
      border-bottom: 1px solid #eee;
      display: flex;
      align-items: center;
    }
    
    .activity-item .el-icon {
      font-size: 16px;
      margin-right: 10px;
      color: #1890ff;
    }

    /* 统一 el-card 卡片样式 */
.el-card.chart-container,
.el-card.user-list {
  background: #fff;
  border-radius: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid #e8e8e8;
  margin-bottom: 20px;
  padding: 20px;
}

/* 统一卡片标题 */
.chart-header h2,
.list-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: #333;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
}

/* 卡片顶部操作按钮区域 */
.chart-header,
.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

/* 搜索框和刷新按钮 */
.list-actions {
  display: flex;
  align-items: center;
}

/* 统一表格样式 */
.el-table {
  background: #fff;
  border-radius: 0;
  box-shadow: none;
  border: 1px solid #e8e8e8;
  font-size: 14px;
}
.el-table th {
  background: #f5f7fa !important;
  color: #333;
  font-weight: 600;
}
.el-table .el-table__cell {
  padding: 10px 0;
}
.el-table .amount-value {
  color: #1890ff;
  font-weight: bold;
}

/* 用户头像和用户名 */
.user-cell {
  display: flex;
  align-items: center;
}

/* 状态标签 */
.el-tag.el-tag--success {
  background: #e6f7ff;
  color: #1890ff;
  border: none;
}
.el-tag.el-tag--danger {
  background: #fff1f0;
  color: #f5222d;
  border: none;
}

/* 操作按钮 */
.el-button[type="text"] {
  color: #1890ff;
  font-size: 13px;
  padding: 0 8px;
}
.el-button[type="text"]:hover {
  color: #40a9ff;
  background: none;
}

/* 分页统一 */
.pagination-container {
  display: flex;
  justify-content: flex-end;
  margin-top: 20px;
}
.el-pagination {
  background: transparent;
}
.el-pagination .el-pager li.active {
  background: #1890ff;
  color: #fff;
  border-radius: 4px;
}

/* 滚动容器统一 */
.scrollable-content {
  padding: 24px 0;
  background: #f5f7fa;
  min-height: 100vh;
  overflow-y: auto;
}

/* 让折线图区域高度一致 */
.chart-wrapper {
  min-height: 300px;
  background: #f9f9f9;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.el-table .action-col .el-table__cell {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}
.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 40px;
}
.list-actions {
  display: flex;
  align-items: center;
  height: 100%;
}

/* 顶部Header样式 */
.main-header {
  height: 50px;
  background-color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 20px;
}

.logo {
  display: flex;
  align-items: center;
  margin-right: 40px;
}

.logo img {
  height: 36px;
  margin-right: 10px;
}

.logo span {
  font-size: 20px;
  font-weight: bold;
  color: #333;
}

.search-box {
  flex: 1;
  max-width: 300px;
  margin-right: 40px;
}

/* 新增或修改如下样式 */

.main-nav {
  background-color: #001529;
  width: 100%;
  display: flex;
  justify-content: center; /* 水平居中 */
  align-items: center;
  height: 60px;

}

.main-nav ul {
  display: flex;
  width: 100%;
  justify-content: space-evenly; /* 均匀分布 */
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav li {
  margin-right: 0; /* 去除右边距，靠均匀分布 */
  flex: 1;         /* 每个li等宽 */
  text-align: center;
}

.main-nav a {
  text-decoration: none;
  color: #ffffff;
  font-size: 20px;      /* 字体更大 */
  font-weight: bold;    /* 字体加粗 */
  transition: color 0.3s;
  display: inline-block;
  width: 100%;
}

.main-nav a:hover {
  color: #409eff;
}

.user-center {
  margin-left: auto;
  display: flex;
  align-items: center;
}

.el-dropdown-link {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.el-dropdown-link span {
  margin-left: 8px;
}

/* 底部Footer样式 */
.main-footer {
  background-color: #f5f7fa;
  padding: 40px 0 20px;
  border-top: 1px solid #e6e8eb;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-links {
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
}

.link-group h3 {
  font-size: 16px;
  margin-bottom: 15px;
  color: #333;
}

.link-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.link-group li {
  margin-bottom: 10px;
}

.link-group a {
  color: #666;
  text-decoration: none;
  transition: color 0.3s;
}

.link-group a:hover {
  color: #409eff;
}

.copyright {
  text-align: center;
  color: #999;
  font-size: 14px;
  padding-top: 20px;
  border-top: 1px solid #e6e8eb;
}